CN101932020A - De-electrification control method, equipment and system of BBU - Google Patents
De-electrification control method, equipment and system of BBU Download PDFInfo
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- CN101932020A CN101932020A CN2009100869054A CN200910086905A CN101932020A CN 101932020 A CN101932020 A CN 101932020A CN 2009100869054 A CN2009100869054 A CN 2009100869054A CN 200910086905 A CN200910086905 A CN 200910086905A CN 101932020 A CN101932020 A CN 101932020A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a de-electrification control method, equipment and a system of a BBU. The method comprises the following steps: when a base station detects a carrier the RNC cutoff load of which is zero, the base station check whether an activated carrier exists on the BBU on which the carrier is positioned is cut off; if not, the base station de-electrifies the BBU; if so, the base station judges whether the activated carrier on the BBU meets adjustment conditions; and if so, the base station transmits a request to an RNC and requests the RNC to adjust the load of the activated carrier on the BBU to zero and cut off the activated carrier on the BBU, so that the base station finishes de-electrifying the BBU. In the invention, the base station can de-electrify the BBU by adjusting the number of users of the carriers on the BBU and cutting off the adjusted carriers the number of users of which is zero, thereby improving the resource utilization rate.
Description
Technical field
The present invention relates to the communications field, relate in particular to following electric control method, equipment and the system of a kind of BBU.
Background technology
Along with the increase gradually of mobile subscriber's quantity and the development of hardware technology, distributed structure/architecture is adopted in the base station more, by RRU (Radio Remote Unit, radio frequency remoto module) and BBU (Base Band Unite, baseband processing unit) carry out the transmitting-receiving of signal, and each BBU to go up the number of carriers of carrying more and more.How to manage the carrier resource on the BBU effectively,, become a problem of being paid close attention to reach the purpose of energy-saving and emission-reduction.
In the prior art, generally realized the carrier tank function on the BBU, just carrier resource does not belong to certain sub-district, but is stored in the carrier tank, distributes unitedly.So-called " pond " is a kind of mode that improves equipment work efficient, because when the user uses carrier wave, therefore cause the existence of idle carrier wave, the BBU carrier wave that should leave unused is put into carrier tank, and uses and should provide service by idle carrier wave, improves the service efficiency of carrier wave.For example, RNC (Radio Network Controller, radio network controller) by NBAP (Node-B Application Protocol, the base station applies agreement) when signaling is set up the sub-district, portion of carriers is distributed in carrier tank temporarily, when RNC by NBAP signaling deletion sub-district the time, these interim carrier waves that distribute when setting up the sub-district reintegrate the unified management of carrier tank.
Simultaneously, the base station uses carrier tank can realize the dynamic adjustment of cell carrier resource, as shown in Figure 1,
1, RNC detects the number of users minimizing in the sub-district;
2, RNC closes carrier wave unnecessary in this sub-district by NBAP signaling base station;
When the number of users in the sub-district reduces, no longer need the carrier wave of original quantity, the number of users on the carrier wave that promptly has is 0, at this moment, turn-offs this user and be 0 carrier wave, to economize on resources;
3, the carrier wave that whether has activation in the BBU is detected in the base station; If the testing result of base station is not for having, then this BBU of electricity is descended in the base station;
4, RNC detects the number of users increase in the sub-district;
5, RNC opens by NBAP signaling base station or increases carrier wave in this sub-district;
6, the base station detects and has the carrier wave that activates in the BBU, for this BBU powers on.
In the said process, RNC controls the distribution of BBU intercarrier flexibly by the NBAP signaling, this adjustment to the BBU intercarrier can be carried out under the situation that does not influence former community user conversation, carrier wave is shifted, to reach the purpose of saving base-band resource to the big sub-district of telephone traffic from the little sub-district of telephone traffic.
In the prior art, the base station for the supply power mode of BBU is: no matter on this BBU how many carrier waves are arranged, as long as have the carrier wave that is in state of activation on this BBU, then the base station is this BBU power supply.
Use carrier tank dynamically to adjust the process of cell carrier resource according to above-mentioned base station, when the base station detected the carrier wave that does not have activation on the BBU, the base station stopped to power to BBU.But the base station generally includes a plurality of BBU, has a plurality of carrier waves on each BBU, and the number of users on each carrier wave to be difficult to usually be 0 simultaneously, the situation probability that so just causes the base station to detect not activating carrier wave on the BBU is very low; But the situation of scattered carrier wave appears in carrier wave on the BBU probably, and promptly the carrier number that go up to activate of BBU has only one to two, but this moment, and the base station still needs this BBU power supply.
Based on above-mentioned analysis, the inventor thinks and has following shortcoming in the prior art:
When BBU goes up the scattered carrier wave of appearance, because the base station can't be adjusted the load of scattered carrier wave, power thereby make the base station need continue as this BBU, cause the wasting of resources.
Summary of the invention
The invention provides following electric control method, equipment and the system of a kind of BBU, when scattered carrier wave occurring on the BBU, by adjusting the following flexibly electric BBU of scattered carrier wave to be implemented in.
The invention provides the following electric control method of a kind of BBU, comprising:
When to detect the RNC switching off load be zero carrier wave in the base station, the carrier wave that whether has activation on the BBU that is turned off the carrier wave place was checked in described base station;
If there is not the carrier wave of activation on the described BBU, electric described BBU under the then described base station;
If going up, described BBU exist the carrier wave that activates, then described base station to judge that described BBU goes up the carrier wave that activates and whether satisfies regularization condition; If going up the carrier wave that activates, described BBU satisfies described regularization condition, described base station sends request to described RNC, ask the load of the carrier wave that described RNC go up to activate described BBU to be adjusted into zero and turn-off described BBU and go up the carrier wave that activates, and then electric described BBU under the described base station.
Described BBU is set on the described BBU to be gone up existing carrier number N, triggers BBU carrier number threshold value Min-N and the idle carrier wave Free_Frq of the residue on other BBU of base station that carrier cycle is adjusted;
Described regularization condition is specially:
N＜Min-N, and Free_Freq＞=Min-N.
Described base station judges that described BBU goes up the carrier wave that activates and whether satisfies after the regularization condition, also comprises:
Do not satisfy described regularization condition if described BBU goes up the carrier wave that activates, described base station is continuously described BBU power supply.
Described base station sends request to described RNC, and the load of asking described RNC that described BBU is gone up the carrier wave that activates is adjusted into zero and turn-off described BBU and go up the carrier wave that activates and be specially:
Described base station structure resource status indication signaling, and send described resource status indication signaling to described RNC, indicating described RNC to adjust that described BBU goes up the number of users of the carrier wave that activates and turn-off the described back number of users of adjusting is 0 carrier wave.
Described base station also comprises after described RNC sends request:
Described RNC receives the resource status indication signaling that described base station sends, and adjusts the number of users of described carrier wave according to described resource adjustment request, comprises that the number of users with described carrier wave is adjusted into 0; Described RNC also is 0 carrier wave according to described resource status indication signaling shutoff number of users.
The invention provides a kind of base station, comprise a plurality of BBU, comprising:
Inspection unit when being used to detect the RNC switching off load and being zero carrier wave, is checked the carrier wave that whether has activation on the BBU that is turned off the carrier wave place;
Following electric unit, the check result that is used for when described inspection unit is when not having the carrier wave of activation on the described BBU, following electric described BBU;
Adjust judging unit, the check result that is used for when described inspection unit is that described BBU goes up when having the carrier wave that activates, and judges whether the carrier wave that described BBU goes up activation satisfies regularization condition;
Request transmitting unit, when being used for judged result when described adjustment judging unit and being described BBU and going up the carrier wave that activates and satisfy described regularization condition, send request to described RNC, the load of asking described RNC that described BBU is gone up the carrier wave that activates is adjusted into zero and turn-off described BBU and go up the carrier wave that activates.
Described BBU is set on the described BBU to be gone up existing carrier number N, triggers BBU carrier number threshold value Min-N and the idle carrier wave Free_Frq of the residue on other BBU of base station that carrier cycle is adjusted;
Described regularization condition is specially:
N＜Min-N, and Free_Freq＞=Min-N.
Base station provided by the invention also comprises:
Power supply unit when being used for carrier wave that described BBU go up to activate and not satisfying described regularization condition, is continuously described BBU power supply.
The described request transmitting element is specially:
Structure resource status indication signaling, and send described resource status indication signaling to described RNC, indicating described RNC to adjust that described BBU goes up the number of users of the carrier wave that activates and turn-off the described back number of users of adjusting is 0 carrier wave.
The invention provides a kind of radio resource controller, be connected with at least one base station, described base station comprises a plurality of BBU, and described radio resource controller comprises:
Communication unit is used to receive the resource status indication signaling that described base station sends;
Carrier wave turn-offs the unit, and upward the number of users and the switching off load of carrier wave are zero carrier wave to be used for adjusting described BBU according to the resource status indication signaling that described communication unit receives.
The invention provides a kind of system of electric BBU down, comprise base station, radio resource controller, described base station comprises a plurality of BBU, wherein
The carrier wave that whether has activation on the described BBU when being used to detect described RNC and turn-offing carrier wave, is checked in described base station; If there is not the carrier wave of activation on the described BBU, then following electric described BBU; There is the carrier wave that activates if described BBU goes up, judges that then described BBU goes up the carrier wave that activates and whether satisfies regularization condition; If the carrier wave that described BBU go up to activate satisfies described regularization condition, described base station sends request to described RNC, asks described RNC to adjust the number of users that described BBU goes up the carrier wave that activates, and to ask described RNC to turn-off the described back number of users of adjusting be 0 carrier wave;
Described radio resource controller is used to receive the resource status indication signaling that described base station sends, and upward the number of users and the switching off load of carrier wave are zero carrier wave to adjust described BBU according to the resource status indication signaling of described reception.
Described BBU is set on the described BBU to be gone up existing carrier number N, triggers BBU carrier number threshold value Min-N and the idle carrier wave Free_Frq of the residue on other BBU of base station that carrier cycle is adjusted;
Described regularization condition is specially:
N＜Min-N, and Free_Freq＞=Min-N.
Compared with prior art, the present invention has the following advantages at least:
When the base station detected RNC shutoff carrier wave, the carrier wave that whether has activation on the BBU was checked in the base station; When if the carrier wave that the last existence of BBU activates satisfies regularization condition, the load of the carrier wave on the BBU is adjusted in the base station by RNC, and close that to adjust back loading be 0 carrier wave, in the time of thereby scattered carrier wave can on BBU, occurring, turn-off scattered carrier wave by the load of adjusting this scattered carrier wave, and then following electric BBU, improve resource utilization.
Description of drawings
In order to be illustrated more clearly in embodiments of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiments of the invention or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is that the base station uses carrier tank to realize the schematic flow sheet of the dynamic adjustment of cell carrier resource in the prior art;
Fig. 2 is the schematic flow sheet of the following electric control method of the BBU that provides of one embodiment of the present of invention;
Fig. 3 is the schematic flow sheet of the following electric control method of the BBU that provides of one embodiment of the present of invention;
Fig. 4 is that the base station checks whether the carrier wave on the BBU satisfies the schematic flow sheet of regularization condition in flow process shown in Figure 3;
Fig. 5 is that RNC carries out the schematic flow sheet that signaling is adjusted in flow process shown in Figure 3;
Fig. 6 is the structural representation of the base station that provides of one embodiment of the present of invention;
Fig. 7 is the structural representation of the radio network controller that provides of one embodiment of the present of invention;
Fig. 8 is the structural representation of the system of the following electric BBU that provides of one embodiment of the present of invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiments of the invention, the technical scheme in the embodiments of the invention is clearly and completely described, obviously, the embodiments described below only are the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of embodiments of the invention protection.
The core concept of embodiments of the invention is: in the sub-district under the less situation of number of users, scattered carrier wave appears in the carrier wave on the BBU, in the embodiments of the invention by regularization condition is set, adjust the load on the carrier wave, thereby the load of scattered carrier wave can be adjusted into 0, and then turn-off scattered carrier wave, and make electricity under the base station have the BBU of scattered carrier wave, reach the purpose that reduces the BBU energy consumption.
Embodiments of the invention provide the following electric control method of a kind of BBU, are applied to comprise in the system of RNC, base station and BBU, as shown in Figure 2, may further comprise the steps:
Step s201, when to detect the RNC switching off load be zero carrier wave in the base station, the carrier wave that whether has activation on the BBU that is turned off the carrier wave place was checked in described base station;
Step s202, if there is not the carrier wave of activation on the described BBU, electric described BBU under the then described base station;
Step s203 exists the carrier wave that activates, then described base station to judge that described BBU goes up the carrier wave that activates and whether satisfies regularization condition if described BBU goes up; If going up the carrier wave that activates, described BBU satisfies described regularization condition, described base station sends request to described RNC, ask the load of the carrier wave that described RNC go up to activate described BBU to be adjusted into zero and turn-off described BBU and go up the carrier wave that activates, and then electric described BBU under the described base station.
Concrete, described BBU is set on the described BBU goes up existing carrier number N, trigger BBU carrier number threshold value Min-N and the idle carrier wave Free_Frq of the residue on other BBU of base station that carrier cycle is adjusted;
Described regularization condition is specially:
N＜Min-N, and Free_Freq＞=Min-N.
Described base station judges that described BBU goes up the carrier wave that activates and whether satisfies after the regularization condition, also comprises:
Do not satisfy described regularization condition if described BBU goes up the carrier wave that activates, described base station is continuously described BBU power supply.
Described base station sends request to described RNC, and the load of asking described RNC that described BBU is gone up the carrier wave that activates is adjusted into zero and turn-off described BBU and go up the carrier wave that activates and be specially:
Described base station sends resource adjustment request to described RNC, asks described RNC to adjust the number of users that described BBU goes up the carrier wave that activates;
Described base station structure resource status indication signaling, and send described resource status indication signaling to described RNC, indicating described RNC to turn-off the described back number of users of adjusting is 0 carrier wave.
Described base station also comprises after described RNC sends request:
Described RNC receives the resource adjustment request that described base station sends, and adjusts the number of users of described carrier wave according to described resource adjustment request, comprises that the number of users with described carrier wave is adjusted into 0;
Described RNC receives the resource status indication signaling that described base station sends, and is 0 carrier wave according to described resource status indication signaling shutoff number of users.
By the method that adopts embodiments of the invention to provide, when the base station detected RNC shutoff carrier wave, the carrier wave that whether has activation on the BBU was checked in the base station; When if the carrier wave that the last existence of BBU activates satisfies regularization condition, the load of the carrier wave on the BBU is adjusted in the base station by RNC, and close that to adjust back loading be 0 carrier wave, in the time of thereby scattered carrier wave can on BBU, occurring, turn-off scattered carrier wave by the load of adjusting this scattered carrier wave, and then following electric BBU, improve resource utilization.
Introduce the following electric control method of the BBU that embodiments of the invention provide below in conjunction with concrete application scenarios, as shown in Figure 3, may further comprise the steps:
Step s301, RNC detect that number of users diminishes in the sub-district, send the carrier wave request of turn-offing to the base station.
Store the corresponding relation of user ID and user place carrier wave in the sub-district among the RNC, as shown in table 1:
Table 1
| The user | Carrier wave |
| First | A |
| Second | B |
| Third | C |
| Fourth | D |
| Penta | E |
| Oneself | F |
RNC is responsible for distributing and safeguards the corresponding relation of user's and user place carrier wave in the sub-district, for example user's first, the second, third in the table 1, fourth, penta and oneself corresponding carrier wave A, B, C, D, E and F respectively.When the user in the sub-district changed, when perhaps the carrier wave at user place changed, RNC was known this variation in real time, the user of updated stored and the corresponding relation of carrier wave.When the number of users in the sub-district reduced, the carrier wave that then was assigned the user originally may current number of users be 0, i.e. the load of this carrier wave is 0, carrier wave A, B, C as shown in table 2.
Table 2
| The user | Carrier wave |
| A |
| B | |
| C | |
| Fourth | D |
| Penta | E |
| Oneself | F |
The corresponding relation of user and carrier wave, in table 1 for corresponding one by one.Because user's mobility is for example gone on business and is known that other reasons, user leave the scope of this sub-district, no longer utilizes corresponding carrier wave to communicate.At this moment, the load of original corresponding with user carrier wave becomes 0 in the table 1.As shown in table 2, be original user first, user second and user the third, for a certain reason, the scope of leaving this sub-district causes the load on carrier wave A, B, the C to be 0.At this moment, in order to save Internet resources, RNC need turn-off carrier wave A, B, C.Concrete, the base station is as the media of communicating by letter between RNC and the user, and when carrier wave A, B, C were turn-offed in the RNC decision, RNC turn-offed order with carrier wave and sends to the base station, and this carrier wave turn-offs the carrier identification information of carrying carrier wave A, B, C in the order.
Should be with in the scene, with carrier wave and user correspond to example one by one, certainly, same carrier wave also can a plurality of different users of correspondence, and is as shown in table 3:
Table 3
Be assigned user first, user second and user third on the carrier wave A in the table 3, when the three is not all over the load relationship of carrier wave A, for example be transferred to carrier wave A carrier wave in addition, the number of users that carrier wave A goes up load is not 0, have only when user first, user second and user third leave this sub-district, load on the carrier wave A is 0, and with respect to carrier wave D, E, F, carrier wave A load is that 0 probability is much smaller.
When load occurring and be 0 carrier wave in RNC is known the sub-district, RNC is the identification information of 0 carrier wave according to load further, sends message to the base station, and informing base station turn-offs this carrier wave.The form of this message can be selected as required flexibly, and for example RNC can send the request of turn-offing carrier wave by the signaling of NBAP form to the base station.
Step s302, the base station receives the shutoff carrier wave request that RNC sends, and sends to RNC and turn-offs the carrier wave response, and switching off load is 0 carrier wave.
After the base station receives the shutoff carrier request message that RNC sends, find BBU to go up corresponding carrier wave according to the identification information of the carrier wave in this message request, and turn-off this carrier wave, promptly stop to transmit and receive of this carrier wave.In conjunction with described carrier wave of above-mentioned table 2 and user's corresponding relation, because the load of carrier wave A, B, C all becomes 0, carrier wave A, B, C are turn-offed in the base station.
Step s303, the carrier wave that whether has activation on the BBU is checked in the base station.
If the result who checks is: after carrier wave is turn-offed in the base station, still have the carrier wave of activation on the BBU, execution in step s304; After carrier wave is turn-offed in the base station, the last carrier wave that does not have activation of BBU, execution in step s309.
This step is the result that step s302 triggers, promptly have only the base station to carry out the operation of turn-offing carrier wave after, the carrier wave that whether has activation on the BBU need be checked in the base station.
Concrete, comprise a plurality of BBU in the base station, have the carrier wave of a plurality of activation on each BBU usually, the corresponding relation between base station stored BBU and the carrier wave, as shown in table 4.
Table 4
In the table 4, the corresponding carrier wave A of BBU1, B, C, D, the corresponding carrier wave E of BBU2, F, G, H.
When the base station receives the shutoff carrier wave request that RNC sends, and after turn-offing one or more carrier waves on one of them BBU, this BBU scattered carrier wave or this BBU upward just may occur and go up carrier free situation, at this moment, whether the carrier case on the BBU need be checked in the base station, check also to exist other to be in the carrier wave of state of activation on this BBU.
In conjunction with described carrier wave of above-mentioned table 2 and user's corresponding relation, and the example among the step s302, carrier wave A, B, C are turn-offed in the base station, then have only the carrier wave D of an activation on the BBU1 this moment, have carrier wave E, F, G, the H of activation on the BBU2, execution in step s304.
If the carrier wave of the activation that had originally on the BBU1 is carrier wave A, B, C, then the carrier number that this moment, BBU1 upward activated is 0, execution in step s309.
Step s304, the base station checks whether the carrier wave on the BBU satisfies regularization condition.
If the carrier wave that the base station detects on the BBU satisfies this regularization condition, then execution in step s305; Otherwise, if the carrier wave on the BBU does not satisfy this regularization condition, execution in step s310 then.
The base station is at the corresponding relation that sets in advance existing carrier number N on the BBU, the BBU carrier number threshold value Min-N that triggers the carrier cycle adjustment and the idle carrier wave Free_Frq of the residue on other BBU of base station on the BBU;
The regularization condition of the last carrier wave of BBU is specially:
When N＜Min-N, and
Free_Freq＞＝Min-N。
Concrete, should be with in the scene, the base station checks that whether the carrier wave on the BBU satisfies the process of regularization condition, as shown in Figure 4, can may further comprise the steps among the step s304:
Step s3041, the default BBU in base station goes up the regularization condition of carrier wave.
Concrete, the expression formula of the default regularization condition in base station is:
During N＜Min-N, and Free_Freq＞=Min-N;
Wherein, N is that BBU goes up current carrier number, and Min-N is the carrier number on the BBU that adjusts of base station preset trigger carrier cycle, and Free_Freq is the idle carrier number of the residue on other BBU on the base station.
Should be with in the scene, N is that example is introduced with 2.
Step s3042, the base station obtains the carrier number among the current BBU, calculates and whether satisfies regularization condition.
Associative list 4, with among the step s303 to the example that is described as of BBU in the base station, the base station obtains the carrier number among the current BBU, learn and have only 1 to activate carrier wave on the BBU1, have 5 on the BBU2 and activate carrier wave, and carrier wave G, the H of current BBU2, I are idle carrier wave, and the implication of idle carrier wave does not have the number of users on user or this carrier wave not reach the maximum number of user that this carrier wave can carry on this carrier wave.
Because activation carrier number 1＜triggering carrier number 2 of BBU1, and
Activation carrier number 3 on the BBU2＞triggering carrier number 2,
So BBU1 satisfies regularization condition.
Should be with in the scene, also can be other forms for the setting of regularization condition: for example regularization condition is set to:
N＜Min-N; Wherein, N and the meaning of Min-N are with identical described in the step s3041.
When carrier wave is turn-offed in the base station, when checking the carrier wave on the current BBU, know that carrier number on the BBU1 is 1 is 2 less than default Min-N, the base station judges that BBU1 satisfies regularization condition, and do not need to consider again Free_Freq on the current BBU2 and the relation of Min-N, when occurring idle carrier wave by RNC on knowing BBU2, the RNC informing base station is gone up user on the carrier wave with BBU1 and is adjusted to idle carrier wave on the BBU2.Concrete, the RNC informing base station carry out process that carrier wave adjusts in following step s306 by detailed introduction, do not repeat them here.
Step s305, the resource status indication signaling is constructed in the base station, and this signaling is sent to RNC, and notice RNC need carry out the carrier resource adjustment in the base station.
Solicited message is carried in the base station in the resource status indication signaling that RNC sends, it is that the user who satisfies on the scattered carrier wave of BBU of regularization condition distributes other carrier wave that this solicited message is specially request RNC, and the carrier identification information that satisfies the scattered carrier wave on the BBU of regularization condition.
Should be with in the scene, the base station also carries the identification information of the target carrier of carrier resource adjustment in the resource status indication signaling that RNC sends, and this target carrier is the carrier wave on the BBU outside the scattered carrier wave place BBU in the base station.
Step s306 after RNC receives the resource status indication signaling of base station transmission, adjusts the relation of user and carrier wave according to this signaling.
Concrete, store the corresponding relation between user and the carrier wave among the RNC.After RNC receives the resource status indication signaling of base station transmission, identification information according to scattered carrier wave in this signaling finds corresponding carrier wave, and the user of carrying on this carrier wave, find target carrier according to the identification information of target carrier in the signaling, and distribute this target carrier for above-mentioned user.
Concrete, as shown in Figure 5, in this step, the process that RNC carries out the signaling adjustment can may further comprise the steps:
Step s3061, RNC receives the resource status indication signaling that the base station sends, and searches and need carry out the scattered carrier wave that state is adjusted.
Should be with in the scene, RNC obtain scattered carrier wave carry out the target carrier that resource adjusts mode can for:
The identification information of target carrier is carried in A, base station in the resource status indication signaling that RNC sends, RNC obtains target carrier according to the identification information of this target carrier;
The identification information of scattered carrier wave is only carried in B, base station in the resource status indication signaling that RNC sends, RNC obtains scattered carrier wave according to the identification information of scattered carrier wave, and then, RNC selects carrier wave as target carrier according to the load state of sub-district intercarrier.
For example, the load state of each carrier wave is as shown in table 5 in the sub-district:
Table 5
In the table 5, have carrier wave A, B on the BBU1, wherein, carrier wave A provides service to user's first, and carrier wave B provides service to user's second, third; Have carrier wave D, E on the BBU2, carrier wave D, E be respective user fourth, penta respectively; Have carrier wave F on the BBU3, respective user is own.
RNC receives the Carrier State indication signaling that the base station sends, and knows that according to the identification information of scattered carrier wave wherein this scattered carrier wave is carrier wave F, respective user oneself.At this moment, RNC is known the load state of carrier wave A～E, and the load of carrier wave A, D, E all is 1 user, and the load of carrier wave B is 2 users, and RNC can preferentially select suitable carrier wave as target carrier from carrier wave A, D, E; Certainly, in order to save carrier resource, RNC also can be preferably the big allocation of carriers user of load, for example is preferably carrier wave B distributing user, when the number of users of carrier wave B reaches maximum, is other allocation of carriers user again; Perhaps, RNC also can carry out the user according to BBU and distribute, and for example is preferably the many BBU distributing user of carrier number that are in state of activation, and certainly, this user is by the carriers carry on this BBU; In the above-mentioned table 5, because the activation carrier number on BBU1 and the BBU2 all is 2, therefore can not select BBU1 or BBU2 according to this kind method, if carrier wave A, B, C are on the BBU1 in the table 5, then RNC can be preferably the allocation of carriers user on the BBU1, and then selects a carrier wave to carry the user as target carrier among carrier wave A, B in BBU1, the C.
Step s3062, RNC sends synchronization message by target carrier to the user.
Step s3063, the user sends response message to RNC, the relation between foundation and the target carrier.
The base station sends data by target carrier to the user, and the user receives the data that the base station sends by target carrier, sends response to the base station, sets up the corresponding relation between user and the target carrier, and RNC finishes the process that signaling is adjusted.
Step s307, RNC know that the load of carrier wave F is zero, send carrier wave to the base station and turn-off request, and this carrier wave is turn-offed in request.
After load during the process previous step is rapid is adjusted, the load vanishing of carrier wave F.After the load that RNC detects carrier wave F was zero, judging needed to turn-off this carrier wave, with conserve network resources, sent carrier wave to the base station and turn-offed request, carried the identification information of carrier wave F in this request.
Step s308, the base station receives the carrier wave shutoff request that RNC sends, and turn-offs corresponding carrier wave.
Concrete, after the base station receives carrier wave shutoff request, from this request, obtain the identification information of carrier wave F, turn-off carrier wave F, as shown in table 5, the activation carrier number on the BBU3 is 0.
Step s309, the base station is checked through the carrier wave that BBU goes up does not have activation, closes the power supply of BBU.
After carrier wave is turn-offed in the base station, check on the BBU whether have the carrier wave of activation, if do not have, then the power supply of this BBU is closed in the base station.
Still be depicted as example with above-mentioned table 5, then this moment, BBU was checked through the carrier wave that BBU3 goes up does not have activation, and the power supply of BBU3 is closed in the base station.
Step s310, the base station is the BBU continued power.
By the method that adopts embodiments of the invention to provide, when the base station detected RNC shutoff carrier wave, the carrier wave that whether has activation on the BBU was checked in the base station; When if the carrier wave that the last existence of BBU activates satisfies regularization condition, the load of the carrier wave on the BBU is adjusted in the base station by RNC, and close that to adjust back loading be 0 carrier wave, in the time of thereby scattered carrier wave can on BBU, occurring, turn-off scattered carrier wave by the load of adjusting this scattered carrier wave, and then following electric BBU, improve resource utilization.
Embodiments of the invention provide a kind of base station, comprise a plurality of BBU, as shown in Figure 6, comprising:
Concrete, the measurement report of RNC by receiving user terminal etc. known the carrier load situation in this sub-district, when number of users diminishes in RNC detects the sub-district, knows idle carrier wave to occur that i.e. load is 0 carrier wave; RNC sends the carrier wave request of turn-offing to the base station, and this free time carrier wave is turn-offed in request; The base station receives the request of RNC, closes corresponding idle carrier wave.Then, the carrier wave that whether exists other to be activated on the BBU at the carrier wave place that is turned off is detected in the base station.
Following electric unit 12, the check result that is used for when described inspection unit 11 is when not having the carrier wave of activation on the described BBU, following electric described BBU;
Adjust judging unit 13, the check result that is used for when described inspection unit 11 is that described BBU goes up when having the carrier wave that activates, and judges whether the carrier wave that described BBU goes up activation satisfies regularization condition;
Described request transmitting element 14 specifically is used for:
Structure resource status indication signaling, and send described resource status indication signaling to described RNC, indicating described RNC to adjust that described BBU goes up the number of users of the carrier wave that activates and turn-off the described back number of users of adjusting is 0 carrier wave.
Described BBU is set on the described BBU to be gone up existing carrier number N, triggers BBU carrier number threshold value Min-N and the idle carrier wave Free_Frq of the residue on other BBU of base station that carrier cycle is adjusted;
Described regularization condition is specially:
N＜Min-N, and Free_Freq＞=Min-N.
The base station that embodiments of the invention provide also comprises:
By the base station of adopting embodiments of the invention to provide, when the base station detected RNC shutoff carrier wave, the carrier wave that whether has activation on the BBU was checked in the base station; When if the carrier wave that the last existence of BBU activates satisfies regularization condition, the load of the carrier wave on the BBU is adjusted in the base station by RNC, and close that to adjust back loading be 0 carrier wave, in the time of thereby scattered carrier wave can on BBU, occurring, turn-off scattered carrier wave by the load of adjusting this scattered carrier wave, and then following electric BBU, improve resource utilization.
Embodiments of the invention also provide a kind of radio resource controller, are connected with at least one base station, and described base station comprises a plurality of BBU, and as shown in Figure 7, described radio resource controller comprises:
Carrier wave turn-offs unit 22, and upward the number of users and the switching off load of carrier wave are zero carrier wave to be used for adjusting described BBU according to the resource status indication signaling that described communication unit 21 receives.
Concrete, store the corresponding relation between user and the carrier wave in the radio resource controller.After communication unit 21 receives the resource status indication signaling of base station transmission, carrier wave shutoff unit 22 finds corresponding carrier wave according to the identification information of scattered carrier wave in this signaling, and the user of carrying on this carrier wave, identification information according to target carrier in the signaling finds target carrier, and distribute this target carrier for above-mentioned user, the number of users on the scattered carrier wave is adjusted into zero.Then, carrier wave shutoff unit 22 sends request to the base station, and informing base station turn-offs this carrier wave, and after the base station received the request of carrier wave shutoff unit 22 transmissions, turn-offing this load was zero carrier wave.
Embodiments of the invention provide a kind of system of electric BBU down, as shown in Figure 8, comprise base station 31, radio resource controller RNC 32, and described base station 31 comprises a plurality of BBU, wherein
The carrier wave that whether has activation on the described BBU when being used to detect described RNC and turn-offing carrier wave, is checked in described base station 31; If there is not the carrier wave of activation on the described BBU, then following electric described BBU; There is the carrier wave that activates if described BBU goes up, judges that then described BBU goes up the carrier wave that activates and whether satisfies regularization condition; If the carrier wave that described BBU go up to activate satisfies described regularization condition, described base station sends request to described RNC, asks described RNC to adjust the number of users that described BBU goes up the carrier wave that activates, and to ask described RNC to turn-off the described back number of users of adjusting be 0 carrier wave;
Described radio resource controller 32 is used to receive the resource status indication signaling that described base station sends, and upward the number of users and the switching off load of carrier wave are zero carrier wave to adjust described BBU according to the resource status indication signaling of described reception.
Described BBU is set on the described BBU to be gone up existing carrier number N, triggers BBU carrier number threshold value Min-N and the idle carrier wave Free_Frq of the residue on other BBU of base station that carrier cycle is adjusted;
Described regularization condition is specially:
N＜Min-N, and Free_Freq＞=Min-N;
Described regularization condition also can include only:
N＜Min-N，
Promptly as the existing carrier number N on the BBU during less than default threshold value Min-N, described base station 31 sends the resource status indication signaling to described radio resource controller 32, request radio resource controller 32 is adjusted the carrier load on this BBU and is turn-offed this carrier wave, and then turn-off this BBU, save Internet resources.
By radio resource controller and the system that adopts embodiments of the invention to provide, when the base station detected RNC shutoff carrier wave, the carrier wave that whether has activation on the BBU was checked in the base station; When if the carrier wave that the last existence of BBU activates satisfies regularization condition, the load of the carrier wave on the BBU is adjusted in the base station by RNC, and close that to adjust back loading be 0 carrier wave, in the time of thereby scattered carrier wave can on BBU, occurring, turn-off scattered carrier wave by the load of adjusting this scattered carrier wave, and then following electric BBU, improve resource utilization.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (12)
1. the following electric control method of a BBU is characterized in that, comprising:
When to detect the RNC switching off load be zero carrier wave in the base station, the carrier wave that whether has activation on the BBU that is turned off the carrier wave place was checked in described base station;
If there is not the carrier wave of activation on the described BBU, electric described BBU under the then described base station;
If going up, described BBU exist the carrier wave that activates, then described base station to judge that described BBU goes up the carrier wave that activates and whether satisfies regularization condition; If going up the carrier wave that activates, described BBU satisfies described regularization condition, described base station sends request to described RNC, ask the load of the carrier wave that described RNC go up to activate described BBU to be adjusted into zero and turn-off described BBU and go up the carrier wave that activates, and then electric described BBU under the described base station.
2. the method for claim 1 is characterized in that, described BBU is set on the described BBU goes up existing carrier number N, trigger BBU carrier number threshold value Min-N and the idle carrier wave Free_Frq of the residue on other BBU of base station that carrier cycle is adjusted;
Described regularization condition is specially:
N＜Min-N, and Free_Freq＞=Min-N.
3. the method for claim 1 is characterized in that, described base station judges that described BBU goes up the carrier wave that activates and whether satisfies after the regularization condition, also comprises:
Do not satisfy described regularization condition if described BBU goes up the carrier wave that activates, described base station is continuously described BBU power supply.
4. the method for claim 1 is characterized in that, described base station sends request to described RNC, and the load of asking described RNC that described BBU is gone up the carrier wave that activates is adjusted into zero and turn-off described BBU and go up the carrier wave that activates and be specially:
Described base station structure resource status indication signaling, and send described resource status indication signaling to described RNC, indicating described RNC to adjust that described BBU goes up the number of users of the carrier wave that activates and turn-off the described back number of users of adjusting is 0 carrier wave.
5. method as claimed in claim 4 is characterized in that, described base station also comprises after described RNC sends request:
Described RNC receives the resource status indication signaling that described base station sends, and adjusts the number of users of described carrier wave according to described resource adjustment request, comprises that the number of users with described carrier wave is adjusted into 0; Described RNC also is 0 carrier wave according to described resource status indication signaling shutoff number of users.
6. a base station comprises a plurality of BBU, it is characterized in that, comprising:
Inspection unit when being used to detect the RNC switching off load and being zero carrier wave, is checked the carrier wave that whether has activation on the BBU that is turned off the carrier wave place;
Following electric unit, the check result that is used for when described inspection unit is when not having the carrier wave of activation on the described BBU, following electric described BBU;
Adjust judging unit, the check result that is used for when described inspection unit is that described BBU goes up when having the carrier wave that activates, and judges whether the carrier wave that described BBU goes up activation satisfies regularization condition;
Request transmitting unit, when being used for judged result when described adjustment judging unit and being described BBU and going up the carrier wave that activates and satisfy described regularization condition, send request to described RNC, the load of asking described RNC that described BBU is gone up the carrier wave that activates is adjusted into zero and turn-off described BBU and go up the carrier wave that activates.
7. base station as claimed in claim 6 is characterized in that, described BBU is set on the described BBU goes up existing carrier number N, trigger BBU carrier number threshold value Min-N and the idle carrier wave Free_Frq of the residue on other BBU of base station that carrier cycle is adjusted;
Described regularization condition is specially:
N＜Min-N, and Free_Freq＞=Min-N.
8. base station as claimed in claim 6 is characterized in that, also comprises:
Power supply unit when being used for carrier wave that described BBU go up to activate and not satisfying described regularization condition, is continuously described BBU power supply.
9. base station as claimed in claim 6 is characterized in that, the described request transmitting element is specially:
Structure resource status indication signaling, and send described resource status indication signaling to described RNC, indicating described RNC to adjust that described BBU goes up the number of users of the carrier wave that activates and turn-off the described back number of users of adjusting is 0 carrier wave.
10. a radio resource controller is connected with at least one base station, and described base station comprises a plurality of BBU, it is characterized in that, described radio resource controller comprises:
Communication unit is used to receive the resource status indication signaling that described base station sends;
Carrier wave turn-offs the unit, and upward the number of users and the switching off load of carrier wave are zero carrier wave to be used for adjusting described BBU according to the resource status indication signaling that described communication unit receives.
11. the system of electric BBU is characterized in that comprise base station, radio resource controller, described base station comprises a plurality of BBU, wherein under one kind
The carrier wave that whether has activation on the described BBU when being used to detect described RNC and turn-offing carrier wave, is checked in described base station; If there is not the carrier wave of activation on the described BBU, then following electric described BBU; There is the carrier wave that activates if described BBU goes up, judges that then described BBU goes up the carrier wave that activates and whether satisfies regularization condition; If the carrier wave that described BBU go up to activate satisfies described regularization condition, described base station sends request to described RNC, asks described RNC to adjust the number of users that described BBU goes up the carrier wave that activates, and to ask described RNC to turn-off the described back number of users of adjusting be 0 carrier wave;
Described radio resource controller is used to receive the resource status indication signaling that described base station sends, and upward the number of users and the switching off load of carrier wave are zero carrier wave to adjust described BBU according to the resource status indication signaling of described reception.
12. system as claimed in claim 11 is characterized in that, described BBU is set on the described BBU goes up existing carrier number N, trigger BBU carrier number threshold value Min-N and the idle carrier wave Free_Frq of the residue on other BBU of base station that carrier cycle is adjusted;
Described regularization condition is specially:
N＜Min-N, and Free_Freq＞=Min-N.
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| CN200910086905.4A CN101932020B (en) | 2009-06-18 | 2009-06-18 | De-electrification control method, equipment and system of BBU |
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| CN200910086905.4A CN101932020B (en) | 2009-06-18 | 2009-06-18 | De-electrification control method, equipment and system of BBU |
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| CN102984742A (en) * | 2012-11-14 | 2013-03-20 | 华为技术有限公司 | Method and device and system for base station energy consumption monitoring |
| CN103200655A (en) * | 2012-01-06 | 2013-07-10 | 中兴通讯股份有限公司 | Method and device for energy conservation of remote radio frequency system |
| CN104812002A (en) * | 2014-01-23 | 2015-07-29 | 中国科学院计算技术研究所 | Method, device and system for dynamically adjusting processing resources under centralized RAN framework |
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